Barnes, H. (1968). The evolution of penology in Pennsylvania: A study in American social history. Patterson Smith reprint series in criminology, law enforcement, and social problems.
Cita Chicago Style (17a ed.)Barnes, Harry. "The Evolution of Penology in Pennsylvania: A Study in American Social History." Patterson Smith Reprint Series in Criminology, Law Enforcement, and Social Problems 1968.
Cita MLA (8a ed.)Barnes, Harry. "The Evolution of Penology in Pennsylvania: A Study in American Social History." Patterson Smith Reprint Series in Criminology, Law Enforcement, and Social Problems, 1968.
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